发明名称 |
VERFAHREN ZUR HERSTELLUNG VON VERPACKUNGSMATERIAL |
摘要 |
A method of producing a packaging laminate ( 10 ) in which a web is provided with through-going holes ( 2 ) which are covered on one side with a first outer layer ( 3 ) on the one side of the web and with a second outer layer ( 4 ) on the other side of the web in such a manner that the first and second outer layers ( 3 and 4 ) are permanently sealed to one another within the regions of the opening contour of the through-going holes. In order to ensure the permanent seal between the two outer layers ( 3 and 4 ), the web is subjected, after application of the first outer layer but prior to application of the second outer layer, to so-called flame-treating whereby accessible parts of the first outer layer within the regions of the through-going holes ( 2 ) are activated or polarized by means of one or more gas flames directed at the other side of the web. |
申请公布号 |
DE60130982(T2) |
申请公布日期 |
2008.01.31 |
申请号 |
DE2001630982T |
申请日期 |
2001.05.07 |
申请人 |
TETRA LAVAL HOLDINGS & FINANCE S.A. |
发明人 |
TOFT, NILS;LASSON, ROLF |
分类号 |
B65D65/40;B29C47/02;B29C65/02;B29K23/00;B29K105/20;B29L9/00;B32B1/02;B32B15/12;B32B15/20;B32B37/00;B32B37/15;B32B38/04;B65B61/18;B65D5/42;B65D5/70;B65D5/72;B65D17/347 |
主分类号 |
B65D65/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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